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3 definitions found
 for Unix
From WordNet (r) 3.0 (2006) :

  UNIX
      n 1: trademark for a powerful operating system [syn: UNIX,
           UNIX system, UNIX operating system]

From The Jargon File (version 4.4.7, 29 Dec 2003) :

  Unix
   /yoo'niks/, n.
  
      [In the authors' words, ?A weak pun on Multics?; very early on it was ?
      UNICS?] (also ?UNIX?) An interactive timesharing system invented in 1969 by
      Ken Thompson after Bell Labs left the Multics project, originally so he
      could play games on his scavenged PDP-7. Dennis Ritchie, the inventor of C,
      is considered a co-author of the system. The turning point in Unix's
      history came when it was reimplemented almost entirely in C during
      1972?1974, making it the first source-portable OS. Unix subsequently
      underwent mutations and expansions at the hands of many different people,
      resulting in a uniquely flexible and developer-friendly environment. By
      1991, Unix had become the most widely used multiuser general-purpose
      operating system in the world ? and since 1996 the variant called Linux
      has been at the cutting edge of the open source movement. Many people
      consider the success of Unix the most important victory yet of hackerdom
      over industry opposition (but see Unix weenie and Unix conspiracy for
      an opposing point of view). See Version 7, BSD, Linux.
  
      [richiethom]
  
      Archetypal hackers ken (left) and dmr (right).
  
      Some people are confused over whether this word is appropriately ?UNIX? or
      ?Unix?; both forms are common, and used interchangeably. Dennis Ritchie
      says that the ?UNIX? spelling originally happened in CACM's 1974 paper The
      UNIX Time-Sharing System because ?we had a new typesetter and troff had
      just been invented and we were intoxicated by being able to produce small
      caps.? Later, dmr tried to get the spelling changed to ?Unix? in a couple
      of Bell Labs papers, on the grounds that the word is not acronymic. He
      failed, and eventually (his words) ?wimped out? on the issue. So, while the
      trademark today is ?UNIX?, both capitalizations are grounded in ancient
      usage; the Jargon File uses ?Unix? in deference to dmr's wishes.
  

From The Free On-line Dictionary of Computing (18 March 2015) :

  Unix
  
      /yoo'niks/ (Or "UNIX", in the authors'
     words, "A weak pun on Multics") Plural "Unices".  An
     interactive time-sharing operating system invented in 1969
     by Ken Thompson after Bell Labs left the Multics
     project, originally so he could play games on his scavenged
     PDP-7.  Dennis Ritchie, the inventor of C, is considered
     a co-author of the system.
  
     The turning point in Unix's history came when it was
     reimplemented almost entirely in C during 1972 - 1974, making
     it the first source-portable OS.  Unix subsequently
     underwent mutations and expansions at the hands of many
     different people, resulting in a uniquely flexible and
     developer-friendly environment.
  
     By 1991, Unix had become the most widely used multi-user
     general-purpose operating system in the world.  Many people
     consider this the most important victory yet of hackerdom over
     industry opposition (but see Unix weenie and Unix
     conspiracy for an opposing point of view).
  
     Unix is now offered by many manufacturers and is the subject
     of an international standardisation effort [called?].
     Unix-like operating systems include AIX, A/UX, BSD,
     Debian, FreeBSD, GNU, HP-UX, Linux, NetBSD,
     NEXTSTEP, OpenBSD, OPENSTEP, OSF, POSIX, RISCiX,
     Solaris, SunOS, System V, Ultrix, USG Unix, Version
     7, Xenix.
  
     "Unix" or "UNIX"?  Both seem roughly equally popular, perhaps
     with a historical bias toward the latter.  "UNIX" is a
     registered trademark of The Open Group, however, since it is
     a name and not an acronym, "Unix" has been adopted in this
     dictionary except where a larger name includes it in upper
     case.  Since the OS is case-sensitive and exists in many
     different versions, it is fitting that its name should reflect
     this.
  
     The UNIX Reference Desk
     http://geek-girl.com/unix.html)">(http://geek-girl.com/unix.html).
  
     Spanish fire extinguisher
     
  ftp://linux.mathematik.tu-darmstadt.de/pub/linux/people/okir/unix_flame.gif)">(ftp://linux.mathematik.tu-darmstadt.de/pub/linux/people/okir/unix_flame.gif).
  
     [{Jargon File]
  
     (2001-05-14)
  

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